Data month 2026-09
Claude Fact Checker
Claude Fact Checker
Claude Fact Checker
Fact-check selected text using Claude AI with structured verdicts and confidence levels

According to AlphaMoat, as of 2026-09, the Chrome extension Claude Fact Checker has 12 users (+20% MoM) — ranked #8,750 of 9,324 AI browser extensions, and #648 of 676 in Education & Research.

Users · 2026-09
12+20%
Rating
-
Overall Rank (9,324)
#8,750
Education & Research Rank
#648/ 676

What is Claude Fact Checker

From the Chrome Web Store

Fact-check selected text using Claude AI with structured verdicts and confidence levels Fact-check any text on the web with Claude AI.

Select text on any webpage, click the floating "Fact Check" button (or right-click → "Fact Check with Claude"), and receive a structured, detailed analysis in seconds.

HOW IT WORKS 1. Highlight text containing factual claims 2. Click the green Fact Check button or use the right-click context menu 3. Claude AI analyzes each claim independently 4. Review the color-coded verdict with confidence levels

WHAT YOU GET

  • Overall verdict: Verified, Mostly True, Mixed, Mostly

False, False, or Unverifiable

Show the rest of the store description▾
  • Confidence level: High, Medium, or Low
  • Claim-by-claim breakdown with individual status and

reasoning for each claim

  • "What I Can Verify" and "What I Cannot Verify" sections

for full transparency

  • One-click copy of the full analysis report

BUILT ON HONESTY Claude clearly labels what it can and cannot verify. Claims requiring real-time data, breaking news, or post-training information are marked as "Unverifiable" rather than guessed at. This tool provides AI-assisted reasoning — not absolute truth. Always cross-reference with authoritative sources for critical decisions.

REQUIREMENTS

  • A Claude API key from Anthropic

(https://console.anthropic.com)

  • API usage is billed by Anthropic based on your plan

PRIVACY

  • Your API key is stored locally in Chrome's encrypted

storage

  • Selected text is sent only to Anthropic's API for

analysis and is not stored

  • No tracking, analytics, or data collection
  • Full privacy policy: [YOUR PRIVACY POLICY URL]

Extension profile

Version
v1.0.0
Size
21.83KiB
Languages
English (United States)
Updated
2026-03-06

User Growth Trend

Shared axis · hover for monthly values
Latest 12MoM+20.0%
-4.328.6412.9626-0326-0426-08
2026-03
3
—
2026-04
5
+66.7%
2026-06
10
+100.0%
2026-08
10
+0.0%
2026-09
12
+20.0%

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Data month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.